{"cve":"CVE-2011-4588","nvd":{"published":"2012-07-20T10:40:36.033","modified":"2026-06-16T23:35:05.933","status":"Modified","description":"The ip_in_range function in mnet/lib.php in MNET in Moodle 1.9.x before 1.9.15 uses an incorrect data type, which allows remote attackers to bypass intended IP address restrictions via an XMLRPC request.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-264"],"references":["http://git.moodle.org/gw?p=moodle.git%3Ba=commit%3Bh=3ab2851d2a59721445945d0706c58092e07e861e","http://moodle.org/mod/forum/discuss.php?d=191756","http://www.debian.org/security/2012/dsa-2421","https://bugzilla.redhat.com/show_bug.cgi?id=761248","http://git.moodle.org/gw?p=moodle.git%3Ba=commit%3Bh=3ab2851d2a59721445945d0706c58092e07e861e"],"products":["moodle:moodle"],"source":"nvd","synced_at":"2026-10-19T20:24:00.973572543+00:00"},"epss":{"cve":"CVE-2011-4588","score":0.02149,"percentile":0.82125,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}